Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Why San Antonio Homeowners Choose Trane Air Duct Cleaning
At Cardinal Air Duct San Antonio, we provide independent Trane air duct cleaning and HVAC component service across Trane in San Antonio, from the Near East Side to Stone Oak and everywhere in between. Independent matters here: we’re not a Trane factory outlet or authorized dealer, and we’ll never claim to be. What we are is a local team that works on Trane equipment daily – enough to know exactly where the dust hides in your Hyperion air handler and why CleanEffects cells clog so fast in Hill Country air. Call (254) 347-3897 for a free estimate, and we’ll show you precisely what’s moving through your ducts before we clean a single foot of them.
Why Trust Cardinal Air Duct San Antonio for Your Trane Air Duct Cleaning?
Experience is fine; counted hours on the brand you actually own is better. Omar Haddad, our owner, has spent nearly two decades pulling contaminated duct systems apart and putting clean ones back together – training that started at Los Angeles Trade-Technical College before he brought it to Texas. The detail Omar drills into the crew daily: Trane systems aren’t generic. Their air handlers use tighter blower cabinet tolerances than older builder-grade units, so brushing a blower wheel wrong warps it. Their communicating controls read airflow through sensors that hate construction dust. Our techs run Rotobrush rotary brush systems and Nikro HEPA vacuum extraction with that in mind on every Trane service in Cibolo and across our entire service area. One flat price per system, written down before any work starts, backed by the 365-Day Done Right Promise: if the work isn’t right within a full year, we come back and correct it at no charge.
Styles & brands we work with




Common Trane Air Duct Cleaning Problems We Fix in San Antonio
Every brand has its failure patterns, and in San Antonio, Trane equipment fights two things constantly: cedar pollen and fine caliche dust. Here’s what we actually encounter, week after week, when we pull the panels off Trane systems in this market:
- CleanEffects collection cells choked with Hill Country pollen. Trane’s CleanEffects whole-home air cleaner is a great piece of filtration, but its collection cells have a massive surface area that grabs cedar and oak pollen from the Hill Country at an alarming rate. When those cells load up, static pressure climbs and airflow drops – your AC still runs, but it’s gasping. We clean the cells and the surrounding duct plenum together, because vacuuming one without the other just puts the dust back a month later.
- Hyperion air handler drain pans turning into a biology experiment. The Trane Hyperion platform has a great reputation, but San Antonio’s high humidity collects in those plastic drain pans and sits. The result is a musty smell you’ll swear is your ducts – and sometimes it is, because the supply plenum directly above that pan pulls in the smell and distributes it through the house. Cleaning the ducts without treating the pan is a half-job. We do both.
- ComfortLink II communicating sensors reading false airflow after even light remodeling. The ComfortLink II Communicating Series uses sensors to manage airflow through your ducts. Gypsum dust from even a small remodel coats those sensors, and then the system makes decisions based on garbage readings – poor static pressure, wrong blower speeds, uneven cooling. After duct cleaning, those sensors need a careful wipe-down; skip it and your Trane equipment will still behave like it’s constipated.
- Fiberboard duct deterioration around RunTru systems in attics. RunTru by Trane is the value line, and plenty of San Antonio homes have it paired with decades-old fiberboard ducts. In the peak of summer, attics here hit 140°F, and fiberboard breaks down into fine fibers that circulate through the house. It looks like fine gray dust, and it re-soils baseboards and furniture faster than anything else we see. We assess that ducting on every RunTru job and tell you whether cleaning or replacement makes financial sense.
- Flex duct sags in 1970s – 1990s tract homes that strangle airflow. San Antonio has a huge stock of suburban homes built in that era, and their original flex duct is now sagging between joists, collecting dust in the low points, and partially collapsing. We find this most often in older neighborhoods inside Loop 410, where the hot attic has done its work over three or four decades. Cleaning collapsed flex isn’t always possible – we’ll tell you straight, and show you photos before you spend a dollar.
Trane Parts & Our Repair-vs-Replace Approach
We stock genuine Trane filters and CleanEffects collection cells locally, and we’ll use them whenever a Trane part touches the air you breathe. For non-critical repairs – access panels, insulation, some duct transitions – we use reputable aftermarket parts that meet or exceed spec, because paying the factory premium for a bent sheet metal panel is a poor use of your money. Repair vs replace, honestly: we recommend replacement only when a Trane component is corroded beyond safe operation. A blower wheel with surface dust? We clean it. A blower housing with rust perforation? That’s not safe, and we won’t pretend it is. If we can clean it, we will. If cleaning it would leave you with a failing part, we’ll show you the photos and quote you a number before you commit. Call (254) 347-3897 and we’ll put a real number on your specific situation.
Our Trane Service Process – Step by Step
- 1
Diagnosis with a real visual record. Before anything is cleaned, we inspect your Trane components – air handler, evaporator coil, blower assembly, and duct runs – and take photos. You get the written price before a single duct is touched, based on what we actually found, not a vague phone estimate.
- 2
Cleaning with negative-pressure containment. We use Abatement Technologies containment to keep dislodged dust from recirculating back into your living room. The Rotobrush rotary brush agitates debris; the Nikro HEPA vacuum extracts it. That sequence matters – brushing without negative pressure just moves dust around.
- 3
Trane-specific finishing work. CleanEffects cells get cleaned and inspected, ComfortLink II sensors get gently wiped, drain pans are treated, blower housings are cleared. This is the step generic cleaners skip.
- 4
Testing and photo proof. We run the system and verify static pressure and airflow feel like they should. You get before-and-after photos of your own ducts and equipment, and a digital invoice you can pay from your phone. The 365-Day Done Right Promise covers the entire job.
See the difference
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AfterTrane Products We Service & Install in San Antonio
We service the full range of Trane residential air distribution and conditioning components in Trane in New Braunfels and surrounding areas: Hyperion air handlers, CleanEffects whole-home air cleaners, ComfortLink II communicating systems, and RunTru by Trane equipment. We also handle the Trane evaporator coils, blower cabinets, and plenums connected to these systems. If you’ve got a Trane whole-home dehumidifier, we handle cleaning on those duct connections too. We stock filters and collection cells for CleanEffects locally, which means shorter turnaround when a cell is past its service life.
We Also Service These Brands
Run a Lennox or Carrier system? We work on those too. Multi-brand experience means we won’t try to squeeze every house into a single-brand playbook. Your Trane equipment gets the same standard: clean ducts, straight answers, tangible photo proof before you pay.
FAQs – Trane Air Duct Cleaning Service in San Antonio
San Antonio’s combination of cedar fever season and caliche-heavy construction dust loads up CleanEffects collection cells faster than almost any other Texas market. The fine, light dust that makes cedar season miserable also clings inside your ducts and re-enters the airstream every time the AC cycles. We recommend a duct inspection every two years in San Antonio, especially if you’re seeing dust settle on furniture within days of cleaning. Call (254) 347-3897 and we’ll assess yours.
Yes, when the crew knows where those sensors live. ComfortLink II systems have multiple airflow and humidity sensors in the duct work, and an aggressive brush job can knock them loose or coat them with dust. We map the sensor locations before cleaning, and we shield them during the brush pass, then clean and re-seat them after. That sensor care is one of the real differences between our Trane-specific approach and a generic duct cleaning.
Part of the answer involves the ducts; the rest involves the air handler’s drain pan and the humidity in your return plenum. The Hyperion platform’s plastic pans collect water in San Antonio’s humid months, and once microbial growth starts there, the supply-side duct run directly above gets the musty smell and spores. We treat the pan, clean the supply plenum and duct run, and apply appropriate antimicrobial treatment to the affected surfaces. It’s a system-level fix, not just a duct wipe-down.
For RunTru systems paired with flex duct, our Dryer Vent Cleaning services follow the same careful approach, and the right method here depends on condition. If the flex is sound, we use the Rotobrush with controlled pressure to remove dust without tearing the inner liner. If the flex is sagging, collapsed, or chewed by rodents – common in San Antonio pier-and-beam homes and older attics – cleaning it won’t change much. In that case we show you the damaged sections and give you an honest recommendation: repair, replace, or leave it alone. You’ll see the photos before you make the call.
We clean around it properly. The dehumidifier’s bypass ducting and condensate lines can’t be brushed through like regular duct runs; they need to be isolated and handled separately. We close that run off during the main cleaning, then clean the accessible sections and inspect the dehumidifier’s filter and coil. If we find excessive moisture or microbial growth there, it needs its own treatment – we’ll show you exactly what we found.
For a typical San Antonio single-family home with one HVAC system, Trane air duct cleaning runs roughly $450 – $900 depending on system size, number of duct branches, and whether we’re also cleaning the air handler, evaporator coil, and CleanEffects cells. A larger two-system home can run higher. We give one flat price per system before any work starts – no per-vent pricing, no creep at the door. Call (254) 347-3897 for an exact quote on your home; estimates are free.
Book Your Trane Service in San Antonio, TX
We know what’s in your ducts, we know what Trane equipment needs in this climate, and we’ll hand you a written price before any work starts. Contact Cardinal Air Duct San Antonio at (254) 347-3897 for a free estimate, and we’ll get you on the schedule.
Written by Omar Haddad, Owner at Cardinal Air Duct San Antonio, serving San Antonio since the business opened its doors here.